August 2017
Intermediate to advanced
438 pages
14h 19m
English
Content preview from Boost C++ Application Development Cookbook - Second Edition
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How it works...
The header <boost/config.hpp> contains a lot of macros to describe compiler and platform features. In this example, we used BOOST_HAS_INT128 to detect support of 128-bit integers and BOOST_NO_LONG_LONG to detect support of 64-bit integers.
As we may see from the example, Boost has typedefs for 64-bit signed and unsigned integers:
boost::long_long_type boost::ulong_long_type
It also has typedefs for 128-bit signed and unsigned integers:
boost::int128_type boost::uint128_type
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